洋底

洋底 [yáng dǐ]

1. ■ ocean floor; fondo; benthos; benthon; ocean bed; ocean bottom

---

常用词组

1. ■ 洋底层 fondothem;

2. ■ 洋底地幔 suboceanic mantle;

3. ■ 洋底地形 fondoform;

4. ■ 洋底高原 oceanic plateau;

5. ■ 洋底扩张 ocean floor spreading;

6. ■ 洋底破裂带 fracture zone;

7. ■ 洋底壳 oceanic crust;

8. ■ 洋底岩层 fondothem